import java.util.Scanner;

public class Until {

    public static int i(String desc) {
        Scanner scanner = new Scanner(System.in);
        System.out.println(desc);
        return scanner.nextInt();
    }

    public static float f(String desc) {
        Scanner scanner = new Scanner(System.in);
        System.out.println(desc);
        return scanner.nextFloat();
    }

    public static String s(String desc) {
        Scanner scanner = new Scanner(System.in);
        System.out.println(desc);
        return scanner.next();
    }


}
